/Engine/Plugins/Animation/IKRig/Source/IKRigEditor/Public/RetargetEditor/IKRetargetEditorController.h
Callback when IK Rig asset's retarget chain has been removed
void HandleRetargetChainRemoved ( [UIKRigDefinition](API\Plugins\IKRig\Rig\UIKRigDefinition) * ModifiedIKRig, const [FName](API\Runtime\Core\UObject\FName) InChainRemoved ) const